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Просмотр инструкции снегоходы Ski Doo MX Z 2005, страница 1179
Section 06 ENGINE MANAGEMENT (4-TEC)
Subsection 03 (COMPONENT INSPECTION AND ADJUSTMENT)
F18Z0NA
1
2
TYPICAL
1. Connector
2. Press release button
AIR INDUCTION SYSTEM
THROTTLE BODY
1
R1004motr147A
2
3
4
5
6
7
7
1. Throttle body
2. Throttle cable attachment
3. Throttle plate
4. TPS
5. Idle bypass channel
6. Idle bypass valve
7. Nipples for throttle body heating
Mechanical Inspection
Check that the throttle plate moves freely and
smoothly when depressing throttle lever.
IMPORTANT: The throttle body is designed to be
tamper proof. Changing the idle stop or modify-
ing it in any way will not increase performance or
change the idle speed but may cause poor starta-
bility and erratic idling.
Before replacing any part, check the following as
these could be causing the fault. Perform the test
while the engine is off.
– Throttle cable adjustment too tight. Not return-
ing fully to idle stop.
– Throttle body idle set screw is loose or worn.
– TPS is loose.
– Idle bypass valve is loose.
– Corroded or damaged wiring or connectors.
– Throttle body has been replaced and the Closed
Throttle and Idle Actuator reset has not been
performed.
– ECM has been replaced and the Closed Throt-
tle and Idle Actuator reset has not been per-
formed.
Electrical Inspection
Refer to THROTTLE POSITION SENSOR (TPS)
and IDLE BYPASS VALVE in ELECTRONIC MAN-
AGEMENT below.
To verify the engine RPM with the tachometer
(P/N 529 014 500), use the following procedure.
529 014 500
The inductive tachometer works on these ignition
coils (stick coils) as well as on regular high tension
coil. Simply wrap the tachometer's wire a few
turns around the protruding part of ignition coil.
mmr2005-032 315
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